A study to assess the effect of vitamin D supplementation on insulin resistance and glycaemic control in type 2 diabetes mellitus patients

Authors

  • Parminder K. Dhillon Department of Pharmacology, Government Medical College, Amritsar, Punjab, India
  • Jaswant Rai Department of Pharmacology, Government Medical College, Amritsar, Punjab, India
  • B. S. Bal Department of Medicine, Government Medical College, Amritsar, Punjab, India
  • Navyug R. Singh Department of Pharmacology, Government Medical College, Amritsar, Punjab, India

DOI:

https://doi.org/10.18203/2319-2003.ijbcp20160763

Keywords:

Vitamin D, Type 2 diabetes mellitus, Vitamin D deficiency, Glycaemic control, Insulin resistance

Abstract

Background: Type 2 Diabetes Mellitus is highly prevalent worldwide and its intensive control with available pharmacological agents is usually hampered due to numerous side-effects as well as resistance to the therapy. Recent research suggests that vitamin D supplementation ameliorates glycaemic burden and effectively reduces the risk and progression of type 2 diabetes. So, present study was done to assess the effect of vitamin D supplementation on glycaemic control and insulin resistance in type 2 diabetic patients.

Methods: A Prospective Randomized Parallel Open-label study of three months duration was conducted on 60 type 2 diabetes mellitus patients, who were divided into two groups (group A and B) of 30 patients each. Group A received standard oral hypoglycaemic agents and 600000 IU of intramuscular injection of vitamin D3 for 3 doses one month apart, while the Group B received only standard oral hypoglycaemic agents. Subjects were evaluated for fasting blood glucose, HbA1c, serum insulin levels, insulin resistance and serum vitamin D levels at defined intervals.

Results: The results showed a significant improvement in fasting blood glucose in both the groups during the study period (group A p<0.004, group B p<0.03), however no significant difference was observed between the two groups (p<0.7) at the end of 12 weeks. There was a significant decrease in HbA1c (p<0.04), serum insulin levels (p<0.04) and HOMA-IR (p<0.03) in group A compared with group B.

Conclusions: The study showed that vitamin D supplementation improves the glycaemic control and insulin sensitivity in type 2 diabetes mellitus patients. 

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Published

2016-12-28

How to Cite

Dhillon, P. K., Rai, J., Bal, B. S., & Singh, N. R. (2016). A study to assess the effect of vitamin D supplementation on insulin resistance and glycaemic control in type 2 diabetes mellitus patients. International Journal of Basic & Clinical Pharmacology, 5(2), 466–472. https://doi.org/10.18203/2319-2003.ijbcp20160763

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Original Research Articles